TOKEN NE Metal Film Precision Resistors Metal Film Extra Low Ohmic Precision Resistors Token Advanced Film NE Spell High Precision Preview A homogenous film of metal alloy is deposited on a high grade ceramic body. After a helical groove has been cut in the resistive layer, tinned connecting wires of electrolytic copper are welded to the end-caps. The resistors are moulding which provides electrical, mechanical, and climatic protection. Token has complete capability to develop specific reliability programs designed to customer requirements. Products equate Vishay, Ohmite, Caddock, IRC, EBG, Panasonic Precision Devices with more competitive price and fast delivery. Full line products meet RoHS compliant. Detailed specifications, both mechanical and electrical, please contact our sales representative for more information. MIL-PRF-55182 : The NE series meets the electrical, environmental and dimensional requirements of MIL-PRF-55182. Referencing to Chinese National Quality Standard GJB244A-2001. POWER RATING Power ratings are based on the following two conditions, - ± 2.0 % maximum ΔR in 10 000 h load life. - + 175 °C maximum operating temperature. Applications - Telecom Test and measurement Space and aircraft electronics Industrial process control systems Measuring and calibration equipment Features - Metal film moulding type - Industrial grades, RoHS Compliant. - Excellent stability and High reliability. - Caps range of ultra low resistance 0.05Ω ~ 10Ω. - Extreme precision tolerance tight to A5(±0.05%). - Extensive stocking program at distributors and factory. - Controlled temperature coefficient and narrowed to C7 (±5PPM/°C). - Token NE Series meets MIL-PRF-55182 and GJB244A-2001 quality standards. Version 2010 http://www.token.com.tw/ rfq token.com.tw 01 of 03 TOKEN NE Metal Film Precision Resistors Dimensions & Technical Characteristics (Rated power)% 100 L D 50 0 70 175 (°C) -55 Precision Resistor (NE) Power Derating Curve A Metal Film (NE) Dimensions Type Rated Wattage (W) 70 °C Working Voltage(V) Resistance Range (Ω) L ± 0.3 Dimensions (mm) D ± 0.3 A ± 0.05 Working Temperature Range NE1/20 NE1/10 NE1/8 NE1/4 NE1/2 0.125 0.25 0.5 0.75 1.0 200 0.05-10 4.30 1.90 0.40 200 0.05 ~ 10 6.8 2.5 0.60 300 0.05 ~ 10 15.1 5.2 0.60 350 0.05 ~ 10 18.4 6.5 0.80 250 0.05 ~ 10 10.2 3.8 0.60 -55°C ~ +175°C Nominal Resistance Tolerance J(±5.0%) F(±1.0%) D(±0.5%) C(±0.25%) B(±0.10%) A5(±0.05%) all resistance : J 0.05R ≤ R < 1R: J / F 1R ≤ R < 5R : B/C/D/F 5R ≤ R ≤ 10R : A5/B/C/D/F Temperature Coefficient PPM Normal test range (+25°C ~ +85°C) 0R05 ≤ R < 1R : >100ppm 1R ≤ R < 5R : C6/C5/C3/C2 5R ≤ R ≤ 10R : C7/C6/C5/C3/C2 Remark: Please contact Token’s Representatives if your requirement is not in above range. 02 of 03 http://www.token.com.tw/ rfq token.com.tw Version 2010 TOKEN NE Metal Film Precision Resistors Periodical Inspection Items and Methods Type Item Method GJB244A (MIL-PRF-55182) 4.8.18 Rated Wattage,125°C,2000h 10000h GJB244A (MIL-PRF-55182) 4.8.18 -10°C ~ +65°C, RH<90% Rated Wattage, Cycle 240h. GJB244A 4.8.19 175°C 2000h GJB244A (MIL-PRF-55182) 4.8.12/4.8.23/4.8.10 Life time LongPeriod Humidity High temp exposed Requirement GJB244A (MIL-PRF-55182) 3.24 ΔR≤±(0.5%R+0.01Ω) ΔR≤±(2%R+0.01Ω) GJB244A (MIL-PRF-55182)3.21 ΔR≤±(0.4%R+0.01Ω) GJB244A (MIL-PRF-55182)3.25 ΔR≤±(2.0%R+0.01Ω) Dielectric voltage GJB244A (MIL-PRF-55182) 3.18/3.29/3.16 ΔR≤±(0.15%R+0.01Ω) no physical damage, arc, isolation break through Lead strength GJB244A (MIL-PRF-55182) GJB244A (MIL-PRF-55182) Short Period Impact 4.8.11/4.8.16/4.8.17 3.17/3.22/3.23 High frequency vibration ΔR≤±(0.20%R+0.01Ω) no physical damage Solderability GJB244A (MIL-PRF-55182) 4.8.14 GJB244A (MIL-PRF-55182)3.20 ΔR≤±(0.10%R+0.01Ω) no physical damage How to Order NE1/8 0.5W 10R B C6 P Resistance Tolerance Part Number: NE1/20, NE1/10, NE1/8, NE1/4, NE1/2 Rated Power (W) Code NE1/20 NE1/10 NE1/8 NE1/4 NE1/2 Temperature 70 °C Rated Power (W) 0.125 0.25 0.5 0.75 1.0 Resistance Tolerance A5 B C D F J ±0.05% ±0.1% ±0.25% ±0.5% ±1.0% ±5.0% Temperature coefficient (PPM/°C) Resistance Value Code 0R1 1R 10R Code Resistance Value 0.1Ω 1Ω 10Ω Code Temperature coefficient C2 C3 C5 C6 C7 ±50ppm/°C ±25ppm/°C ±15ppm/°C ±10ppm/°C ±5ppm/°C Packaging: P (Bulk) Back to 1st Page - Metal Film Precision Resistors (NE) Version 2010 http://www.token.com.tw/ rfq token.com.tw 03 of 03